Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
As March transitions into April, a subtle temperature shift is observed, with average highs adjusting from a pleasant 70.7°F (21.5°C) to a moderately hot 77.4°F (25.2°C). Throughout April, the average low-temperature records at an enjoyable 61.7°F (16.5°C).Humidity
The average relative humidity in April is 74%.Rainfall
In April, in Slidell, the rain falls for 11 days. Throughout April, 1.77" (45mm) of precipitation is accumulated. In Slidell, Louisiana, during the entire year, the rain falls for 173.3 days and collects up to 30.79" (782mm) of precipitation.Snowfall
In Slidell, Louisiana, snow does not fall in February through December.Daylight
In April, the average length of the day is 12h and 56min.On the first day of the month, sunrise is at 6:47 am and sunset at 7:18 pm. On the last day of April, sunrise is at 6:15 am and sunset at 7:36 pm CDT.
Sunshine
In April, the average sunshine is 9.9h.UV index
In Slidell, the average daily maximum UV index in April is 6. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 6 during April leads to these instructions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. The Sun's UV radiation is at its strongest between the hours of 10 a.m. and 4 p.m. Minimize direct exposure to the sun during this period. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the average humidity in April?
How many days does it rain in April?
When it does not snow?
How many hours of daylight does Slidell have in April?
When is the sunrise / sunset in April?
How long on average sun shines in April?
What is the UV index reading in April?
Average temperature in April
Slidell, LA
- Average high temperature in April: 77.4°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (59.4°F).
- Average low temperature in April: 61.7°F
The month with the highest average low temperature is August (77.4°F).
The coldest month (with the lowest average low temperature) is January (45.1°F).
Average pressure in April
Slidell, LA
- Average pressure in April: 30"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in April
Slidell, LA
- Average wind speed in April: 8mph
The windiest month (with the highest average wind speed) is April (8mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).
Average humidity in April
Slidell, LA
- Average humidity in April: 74%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in April
Slidell, LA
- Average rainfall in April: 1.77"
The wettest month (with the highest rainfall) is August (4.92").
The driest month (with the least rainfall) is November (1.5").
Average rainfall days in April
Slidell, LA
- Average rainfall days in April: 11 days
The month with the highest number of rainy days is August (23.5 days).
The month with the least rainy days is November (8 days).
Average snowfall in April
Slidell, LA
- Average snowfall in April: 0"
The month with the highest snowfall is January (0.2").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in April
Slidell, LA
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, October and November (0 days).
Average daylight in April /
Average sunshine in April
Slidell, LA
- Average daylight in April: 12h and 5min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in April: 9h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in April
Slidell, LA
- Average sunshine days in April: 16 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is August (5.1 days).
Average UV index in April
Slidell, LA
- Average UV index in April: 6
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in April
Slidell, LA
- Average cloud cover in April: 32
The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 24).
Average visibility in April
Slidell, LA
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Slidell, Louisiana, USA
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